| 圆形钢管混凝土柱在轴压下的局部屈曲变形 |
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| 引用本文： | 王凯宁.圆形钢管混凝土柱在轴压下的局部屈曲变形[J].科学技术与工程,2010,10(13). |
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| 作者姓名： | 王凯宁 |
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| 作者单位： | 中国建筑技术集团有限公司河南建筑设计院,焦作,454000 |
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| 摘 要： | 假设核心混凝土刚性很大,通过压杆和圆柱壳两种模型,假定了位移函数的三角函数形式,用能量法求解圆钢管混凝土柱在轴压下局部屈曲的临界载荷和临界应力。两种方法得到的计算结果相同。结果表明,核心混凝土的存在大大提高了钢管管壁抵抗局部屈曲的能力。
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| 关 键 词： | 钢管混凝土 局部屈曲 能量法 |
| 收稿时间： | 1/25/2010 6:09:48 PM |
| 修稿时间： | 1/25/2010 7:36:25 PM |
LOCAL BUCKLING OF CONCRETE-FILLED CIRCULAR STEEL TUBULAR COLUMN SUBJECTED TO AXIAL COMPRESSION |
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| WangKaining.LOCAL BUCKLING OF CONCRETE-FILLED CIRCULAR STEEL TUBULAR COLUMN SUBJECTED TO AXIAL COMPRESSION[J].Science Technology and Engineering,2010,10(13). |
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| Authors: | WangKaining |
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| Institution: | Henan Architecture Design of China Building Technique Group/a>;Jiaozuo 454000/a>;P.R.China |
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| Abstract: | Assuming that the rigidity of core concrete is great,based on two kinds of models of the strut and the cylindrical shell respectively,and the displacement function is given in the form of trigonometric function,the local buckling critical load and stress of the concrete-filled circular steel tubular column subjected to axial compression are solved using energy approach.The two calculating methods obtain the same result.It is shown by the result that the ability of steel plate to resist local buckling is imp... |
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| Keywords: | concrete-filled steel tubular local buckling energy approach |
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